Red Horse Posted July 28, 2012 Share Posted July 28, 2012 My B has a 237 with a Duplex and 6.67 rear. I would like to change the rear ratio but good CRD-62's are like hen's teeth. So I'm thinking, easiest thing is to put an OD Triplex or Quad in it. Any opinions. A lot of experienced people tell me that the Duplex can't handle the torque of a Maxidyne and I do use the truck on occasion (35,000lbs and occasionally a bit more)Added benefit of the trans. vs. a gear set change is I don't minimize the off road capability of the truck.By the way, this truck was built as a B-60X, I believe original owner pulled the gas power train and put a 711/Duplex in it. then the guy I bought it from put a 237 Reman in it that had 10,000 miles on it. Hence "gas engine rear gears". Quote Link to comment Share on other sites More sharing options...
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